Question: Who was the first doctoral adviser of Jacob Bernoulli that played a role?
Paraphrase: Who was the primary doctoral counsel of Jacob Bernoulli that played a part?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q122392 p:P184 ?s . ?s ps:P184 ?obj . ?s pq:P3831 wd:Q26236695 }